﻿// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;

using ICSharpCode.Core;

namespace ICSharpCode.SharpDevelop.Templates
{
	/// <summary>
	/// Contains values for localized properties.
	/// </summary>
	public sealed class StringParserPropertyContainer : IStringTagProvider
	{
		public static readonly StringParserPropertyContainer LocalizedProperty = new StringParserPropertyContainer();
		public static readonly StringParserPropertyContainer FileCreation = new StringParserPropertyContainer();
		
		private StringParserPropertyContainer()
		{
			StringParser.RegisterStringTagProvider(this);
		}
		
		ConcurrentDictionary<string, string> values = new ConcurrentDictionary<string, string>();
		
		public string this[string key] {
			get {
				string val;
				if (values.TryGetValue(key, out val))
					return val;
				else
					return null;
			}
			set {
				SD.MainThread.VerifyAccess();
				if (value != null) {
					values[key] = value;
				} else {
					string tmp;
					values.TryRemove(key, out tmp);
				}
			}
		}
		
		public string ProvideString(string tag, StringTagPair[] customTags)
		{
			return this[tag];
		}
	}
}
